IVGCVSW-5410 Add front-end support for CAST
IVGCVSW-5415 Add TfLiteParser support for CAST

 * Added front end support for CAST, including support in the
Reference workload, Serialization, Deserializtion, Unit tests, and
TfLiteParser.

Signed-off-by: mathad01 <matthew.haddon@arm.com>
Change-Id: Iaf670ca5912a21ed6bc84f7f83a68b42154846bb
diff --git a/src/armnn/Network.cpp b/src/armnn/Network.cpp
index b9a0e47..860048f 100644
--- a/src/armnn/Network.cpp
+++ b/src/armnn/Network.cpp
@@ -59,6 +59,10 @@
     return pNetworkImpl->AddArgMinMaxLayer(desc, name);
 }
 
+IConnectableLayer* INetwork::AddCastLayer(const char* name)
+{
+    return pNetworkImpl->AddCastLayer(name);
+}
 
 IConnectableLayer* INetwork::AddComparisonLayer(const ComparisonDescriptor& comparisonDescriptor,
                                                 const char* name)
@@ -1705,6 +1709,11 @@
     return m_Graph->AddLayer<BatchToSpaceNdLayer>(batchToSpaceNdDescriptor, name);
 }
 
+IConnectableLayer* NetworkImpl::AddCastLayer(const char* name)
+{
+    return m_Graph->AddLayer<CastLayer>(name);
+}
+
 IConnectableLayer* NetworkImpl::AddComparisonLayer(const ComparisonDescriptor& comparisonDescriptor,
                                                const char* name)
 {